This tutorial is based on an inquiry from the TradeStation Community Forum. The fellow uses multiple time frame charts and wants horizontal lines (HL) he draws at a price level to be replicated across other charts at the same level. Here is a short preview of what that indicator is going to work like: This is going to be a more advanced development. If you are very new to EasyLanguage programming, I would recommend you to start with one of the earlier EL tutorials. You can ei